Sumsqint Related Scripts

IPF allows one to find a matrix S, close to an input matrix T, but such that the row sums of S are R, and the column sums of S are C.Its useful in a range of tasks like traffic matrix problems, statistics for examining independence assumptions in contingency tables, etc. ...

It can handle iteration for all permutations, combinations, subsets and tuples.This is useful when the results of perms or nchoosek are too large to hold in memory but the number of iterations is feasible.Vectors are ordered according to number of elements and lex. if the length is the same, they are ...

GNU libmatheval is a library (callable from C and Fortran) to parse and evaluate symbolic expressions input as text. It supports expressions in any number of variables of arbitrary names, decimal and symbolic constants, basic unary and binary operators, and elementary mathematical functions. In addition to parsing and evaluation, libmatheval can ...

These m-files allow us to get the solution of A'P PA=-Q, Lyapunov matrix equarion, by using BAck Deletion Method, or any method designeg for solving typical matrix equation of the kinf Ax=b.These m-files were developed and extensely used by author some years ago, when Matlab package did not offered the its ...

Axiom is a general purpose system for doing mathematics by computer. It is especially useful for symbolic calculations, mathematical research and for the development of new mathematical algorithms.Axiom has a strongly-typed high-level programming language for expressing abstract mathematical concepts. Over 1,000 mathematical domains and categories are collected in the Axiom ...